13452728 has 8 divisors (see below), whose sum is σ = 25223880. Its totient is φ = 6726360.

The previous prime is 13452697. The next prime is 13452731. The reversal of 13452728 is 82725431.

13452728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13452694 and 13452703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840788 + ... + 840803.

It is an arithmetic number, because the mean of its divisors is an integer number (3152985).

Almost surely, 2^13452728 is an apocalyptic number.

It is an amenable number.

13452728 is a deficient number, since it is larger than the sum of its proper divisors (11771152).

13452728 is a wasteful number, since it uses less digits than its factorization.

13452728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681597 (or 1681593 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 13452728 is about 3667.7960684858. The cubic root of 13452728 is about 237.8319082386.

The spelling of 13452728 in words is "thirteen million, four hundred fifty-two thousand, seven hundred twenty-eight".